{"id":"DEBIAN-CVE-2025-21662","details":"In the Linux kernel, the following vulnerability has been resolved:  net/mlx5: Fix variable not being completed when function returns  When cmd_alloc_index(), fails cmd_work_handler() needs to complete ent-\u003eslotted before returning early. Otherwise the task which issued the command may hang:     mlx5_core 0000:01:00.0: cmd_work_handler:877:(pid 3880418): failed to allocate command entry    INFO: task kworker/13:2:4055883 blocked for more than 120 seconds.          Not tainted 4.19.90-25.44.v2101.ky10.aarch64 #1    \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message.    kworker/13:2    D    0 4055883      2 0x00000228    Workqueue: events mlx5e_tx_dim_work [mlx5_core]    Call trace:       __switch_to+0xe8/0x150       __schedule+0x2a8/0x9b8       schedule+0x2c/0x88       schedule_timeout+0x204/0x478       wait_for_common+0x154/0x250       wait_for_completion+0x28/0x38       cmd_exec+0x7a0/0xa00 [mlx5_core]       mlx5_cmd_exec+0x54/0x80 [mlx5_core]       mlx5_core_modify_cq+0x6c/0x80 [mlx5_core]       mlx5_core_modify_cq_moderation+0xa0/0xb8 [mlx5_core]       mlx5e_tx_dim_work+0x54/0x68 [mlx5_core]       process_one_work+0x1b0/0x448       worker_thread+0x54/0x468       kthread+0x134/0x138       ret_from_fork+0x10/0x18","modified":"2026-09-01T16:05:47.968413809Z","published":"2025-01-21T13:15:09.847Z","upstream":["CVE-2025-21662"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-21662"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.128-1"}]}],"versions":["6.1.106-1","6.1.106-2","6.1.106-3","6.1.112-1","6.1.115-1","6.1.119-1","6.1.123-1","6.1.124-1","6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1","6.1.85-1","6.1.90-1","6.1.90-1~bpo11+1","6.1.94-1","6.1.94-1~bpo11+1","6.1.98-1","6.1.99-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-21662.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-21662.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-21662.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}